{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "302595",
    "entityType": "User",
    "nonce": "0x7fad6f9b79f2f2d947d93731172f9a30f6fc122ccc934774cc7cfcd9de41de7d",
    "signature": "0xaf7999ef0ec718a0649c36a5c22380917fb690437bcc8995158f4b50e7c619b358bf115249c1ed04453ae8d812ca372d0e069873f96fecdfe5d756e95d01e94b1c",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}