{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcfa8db1bfe5445e2804439aec8d80bf064a52ab3e357e43599dde2c26259c085",
    "signature": "0x4dea27e04bdc2c02ecc7a6294cfc9104c58b5b2c8446c3c320176ca607ba031939b604e0dbce0a6225f260a190eb6f2b0ba7fbf42bcc4ccece039d72f206af831b",
    "signer": "0xA6c15Ea9c3023d20A788742175fCE7EAa021F08C",
    "userId": "191858079"
  }
}