{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56896",
    "entityType": "User",
    "nonce": "0x16d012d97518a7cb6dc87c323f38b5538e6979227b05f8f3486bf4d3473afef9",
    "signature": "0xad571a5a426bcd14e809743374ef6b707e910a08353f390917ad410e37401e0533f9b76d515ccc7990871e3e3b2722b5528fb6519a7da2e3fb33b8b65497fafe1b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}