{
  "manageEntity": {
    "action": "Update",
    "entityId": "396140066",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb6f8afa63a80b247efa885b4f9b9a938e64afa214f863c9cc8bd7208c6843a6c",
    "signature": "0x38b4421ab68d5653c83a5ab1535c1cf8ea2bddcaec0a296c568329a2a5a743544a9f78a1764c675f5ed9ac2e15713b252afd819028bf136347c9d59edb47430e1c",
    "signer": "0xeb659C0AAadC7D95b2916B5C02f97243820A3E81",
    "userId": "396140066"
  }
}