{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1512626",
    "entityType": "User",
    "nonce": "0xe79806f3611cf30b3c838778d2e9aa19dc2b410b65efa71e0532362eff4ec999",
    "signature": "0x1f3ef2887cad80b46722f8a151e778a7f5ca94118517cd071e548735cd6021903f3e1332bd9b768a2641db5b33742db017d754962dcf365a9fb3dfca6a6b74f21b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}