{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18393",
    "entityType": "User",
    "nonce": "0xc8f6c9fe603cca1dcdf7b6e612fed69274de199878428a3832e9f287eac45e21",
    "signature": "0xb2e6d983c22b8ff6d199a87d60ebaeab6695248940de8e4bc01e3eab228c1ef55e281972af52ec67f0e304f1bca9f31b9e33d496a518710e35f88aa46d88f6c81c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}