{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x80be1879cfaf18ef92f23374e39baa9a1e2303b70d6c33b66892b159ef665263",
    "signature": "0x1781b291a4740bf2ab0a6f08583cb5c23086c4d3fc4ea86ec18a1fbe90f6e91a6af955d6a393914d0a11693705a27bb1ac7c6bd6f7d764d62d9761aebde4b0481c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}