{
  "manageEntity": {
    "action": "Update",
    "entityId": "694088484",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera6ckmta4ptum47hjdv4k436jt6mikanw66egxmd5plji75uayprja\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":341624540},{\"type\":\"playlist\",\"playlist_id\":1361388659}]}}}",
    "nonce": "0x5f674eca8cebf910f0994cdb0d2981f6a644c1446edc2ca2499fe07f6e979aa6",
    "signature": "0x9b37d901b3dcd5e71296a978cddf57941813124f1cf8586e39c02b433cae3e027ce1512a2599644a2aeb9dfa0a031c62d1e4e0cfebeafefbfc678be4e0d892d91b",
    "signer": "0xDBdb14Fce254346e42D75edDBAb7C809a0116479",
    "userId": "694088484"
  }
}