{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x92e25875019ca8d98420e9e9fc299323c4b29feab56a06bc07d59c3bd4caa8c3",
    "signature": "0x701f7a96f1432210e72f74b19aefaafffbc19cc7713d5694773baa2ed70348157170fd17efed6747dadd7f3bc369d98e4b7527c431b5a430e22efd9f75ef07151c",
    "signer": "0xb5902ac1A81A6B795210DdEB50e8F1FdaC9aed97",
    "userId": "842982090"
  }
}