{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xc43f63cd0c215bc790e055c8110cfda1fd0dca8887164e68d7bf6e8f3c145129",
    "signature": "0xa3c474cb50230a50f781fe12fdc418b0d0da79907ea7661864bd6999a7ad654a1854003d1004e4e9468cadee0814ee2122e061ef890382383b7b91d539eb9be31b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}