{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "252398720",
    "entityType": "User",
    "nonce": "0xdf4926c5e7feab49ca65193b7fdcdb870212566e4a910f813a44abf6fd976ccf",
    "signature": "0x8f22d12055cd71fef115f8cc3fb2033687afe1d68d64e9e3c96d7b2e1abf35176cdefff616be78f941e7c7d935b0badab972eb4fae3897b1b2564ef9144e810f1b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}