{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x48114a77334490749889215a0a2fa8ecdae6e6f6e6fa8301225ee198faad43fd",
    "signature": "0x6a9bd209d8f5d3d14d5f91c711cfd66c76bb9dad18eb9bf2c131587d75f055b274919d2622a323a6d6e8d5feaa0af65917b25b89cf99b9de85965bdf13b928881c",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}