{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "779730040",
    "entityType": "User",
    "nonce": "0x7d6fe85f682f9418013f1cd747f96ba5184f115c0d1a58eae3e7c58b90a38100",
    "signature": "0x53b3d3ee621f70f04d4387f14813cff528071de358960f49eade0e8a38ec7e9919c3c2c90c599a5682e5e714234711ce8e6fc573da93b932b6a7b22aebebb6181b",
    "signer": "0xC6bE407BC5b29e16c84cB9762105455F5d4ec4e0",
    "userId": "288313576"
  }
}