{
  "manageEntity": {
    "action": "Update",
    "entityId": "365829862",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5395deabcd690c5b27c047bcb9abbb6f4365cb423a6fc0c276a6f583c8bc0c9b",
    "signature": "0xfcaa035f6e59e8614d73f5792c14575d4677bd9929c6e334d8407dd8eddbb2303af698767888f2da30151b2153b87855971278444653fb8c6593dce092dd69101c",
    "signer": "0x50F0B86F035C6739330E1b1F346a808Cb36a09Bf",
    "userId": "365829862"
  }
}