{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183245",
    "entityType": "User",
    "nonce": "0xbbe25b09ce455962224c855a9f32e76fc1a9b3e33baa6e9449236c7031fdd5ae",
    "signature": "0x560620d285e4574a0ac345b345f93b1cdb9157cc5d14c9f46a97247f281b28611d95f39a6a3b9613041417ec4e53cca346803c4383561a3a64d5a33fa42762451c",
    "signer": "0xb68FB6A5ae9015De46D9634e946c04517523Fa43",
    "userId": "134619804"
  }
}