{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1464689",
    "entityType": "User",
    "nonce": "0xd395eee25ffedf80f18ce2940eb675e17809ddb6116020251ab87cb609212106",
    "signature": "0xe7d5a18ac73acada2453f7f3931627921c53c9f6c868744c3f984fd22b64f77d0e65bdde8ac1f635c3f94610482affdc1a788b24ac64cf99e738d94281bf918a1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}