{
  "manageEntity": {
    "action": "Update",
    "entityId": "925764851",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd87358461bcb359cf6194d6dc9ba8d52508a59c7d2fe886fc355a349f14d4bba",
    "signature": "0x55c91741c4ae5ee12aff4e35c29816618bfbf5bd09875833d4e940cb5ea0600320cc4077a8ed43a8bc7476f70f649e3bf98500cbc293c0473a32ccc37c6617c81c",
    "signer": "0xc744b00D2d79D452D6C0FB60b92ed9e78AD4f1b8",
    "userId": "925764851"
  }
}