{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69305",
    "entityType": "User",
    "nonce": "0x3296465413e22463ac286a86384c9aa761f053588466d115bc7b45074b254b50",
    "signature": "0xda18f0560bb61f0911e8f9e5eb09cae7847730ef56eeef17ca9664edc4700eb95c6c040155ada5696345a9f4e5fddf94dd0a00a2c57bf3bf2fd084c9a90b318b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}