{
  "manageEntity": {
    "action": "Update",
    "entityId": "287065927",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe6273331b86fcc6738701d3e51203df7b83fe2987e411096c12794c62c56d073",
    "signature": "0x08ade8ab223c6abb8071ff76c08e3ad24e2161d000da479be68caa4c52e557667ab304eeb29a49789c5027c4c044dfc9007a34387fef648b20f7a6c200d5d9ba1c",
    "signer": "0x407d98945f6A21AD4BF7108Ce0DDA86617037967",
    "userId": "287065927"
  }
}