{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "950478625",
    "entityType": "User",
    "nonce": "0xc2a4015f4465e74efdfb72c8eda675ab1e8029703ae66ae1b1fffe1bd6557a07",
    "signature": "0x9c5a58d08b698a39d89c6dfedc2ad38bfcd52b3ebc93003c323c75ad672e8a9411e8a7da9aae9cc095aa9ac9ee3746abb13956768079e140c5c5ccdffc7113ed1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}