{
  "manageEntity": {
    "action": "Update",
    "entityId": "237765871",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd1b9772f2ec499a21bd54499dc9f5e4d25b4505cfe2ba0f81b3b16494c48281f",
    "signature": "0xbb70ef4cbae67f105fd0c871296763c3e11a069c4f14fdbb282649807ea3e9fb27ec1ab6bb135fdb55d5a6a8ba33b452d94151808a2dd26bc7fdadb0d8c8dcde1c",
    "signer": "0x8c716F932726b40bC9E1CEC18f2c93dc876da1Dc",
    "userId": "237765871"
  }
}