{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "480962013",
    "entityType": "User",
    "nonce": "0x697dc8f62f8baecab48ce154bf0483c8e8c407811acc27be014101e75788a3af",
    "signature": "0x5eb76d508c2d679965fa380611e7c43798d32239e66a7c4af385195504375fe71958ffa0bd889136ce6eef9cfa32599c99fa61947d020b6d813b405a01fa41861b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}