{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326584",
    "entityType": "User",
    "nonce": "0x7d359695b39cca85372629f066a5fd0a44b74c494bee1171e15061decd1ca22e",
    "signature": "0xe8a8d01f5f0d08b883224ed90015d78faa75394ce8d4fda99e51721962f308ac581dfea7c6eadd8e1630a09acead5d7dc22b85925d081eb1f9ec3a9fd8eda1b81c",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}