{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76739",
    "entityType": "User",
    "nonce": "0xbddcfe4c39703e6778637dcbb4304a2305dc496a861fc6833c126d209fe0d514",
    "signature": "0xb4f0857b3099cc4f82742531d177a0c871f0e42cccb29604ed8e37494fedfc826f931026e214434eccc069b4283b0e70b5b8934114be968029c39026c77d2bc11b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}