{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x5770bb378d6d741faf1f1798adecae2e8491a7f71806d3fbe222930a70bdfcc5",
    "signature": "0xccb9b3afbee387598704fbe899d21152a3839adb6d0312714e97b99b146b0c301c36276948e97f3a466a04ec2b4debd3666c11090a22ce11da09f407d6ea33691b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}