{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa62a0fc709ca3f94a3ef7e3cab4ad3241fcbe4626c9aaf6c89e98aed96399880",
    "signature": "0xee5a3dec0d1206704b02fc670259bd4bff037c792a76b3b61222c5bec261b77873f3fc6f565c9a02993c25ca14daef1a30d55e797133774382cd52041cb0f6a11c",
    "signer": "0xa31E6EBcaFD27cA0FDE394E2127f47ae7659b2Dd",
    "userId": "264905156"
  }
}