{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0xb610f5e5ac8dbecb47cd9d68cc8717017d065aaba0374d610fb4b69234c539c8",
    "signature": "0xa6e97dc34f28247f30c07568329b65d390a7e120121f0311bd292390effce90553d659465bada0309a5d2957426060bd998392c9f4f1d9673ba3d771403f0cff1b",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}