{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xd403e8e6f54285b66c941845e1fd2b7c1c05ec4b81dcc15dd3b7b120985d15fa",
    "signature": "0x6c5e8c571a9b1af9276043217549eb54148944a31ee8f86c33db65b0a3442fca0d34c7deaa5a4481874d45fa1749357f56020f1a366824eb165e2cdaa7b073911b",
    "signer": "0x176e72dFeDc28F932BeC73B513ff006a4b45dDa2",
    "userId": "93920271"
  }
}