{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "622424738",
    "entityType": "User",
    "nonce": "0x5b880a35f390a01afca9b7bc8e1fd8d5cf2f5aa1e1e62657918eed3549c292b4",
    "signature": "0x6ff9f770d988198fc7a791f99486fde5ea39a893f6737a9df11cf897eb856c6b1750f1314924a9930f94396740756a146e1d552e979b4c6d99b9207dbedc43801b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}