{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "968378094",
    "entityType": "User",
    "nonce": "0x5a51327f90f1b419c5096b3db94a775f1303151121e9d1797a27f43914483fff",
    "signature": "0x0fe1581e39feea4c11a8e0fd42db1b1459c97b6efb7e92631f279d9f25f52a82685dc47072b98f4f98353fd1e2e9814611924e9455edaec066f4ec91fc36ce761b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}