{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77567",
    "entityType": "User",
    "nonce": "0xb55e6c2c586ea7bad23e750f34b341364d6b1aba1349c647093bf4ed6d9649b7",
    "signature": "0x471bb955d0c6f853285b0f4a54dc8104166a9de772a88b3b2b9427a636c8c5ab6aa5688bbf45b4dc86c17ebe9f0d2ff37a3f4dc0ca2a5d05f7c51e936129d48f1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}