{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x95c2931dcde4e3b875c5a3393ee4be6fce4b80b05fcc6c0e2b5607bbaaba9ee0",
    "signature": "0xc1965eec5b4b17683322c8400b7873f1f48c326bc0c769963ae8d8f1a356f66f403a0004aef6d9139a3060170cf5a36596b37c57e3e3cfdd73dbd5fbd219bbfe1c",
    "signer": "0x0a5148A3f132E6696c1Cd3FDA8465fC5fF17d3D2",
    "userId": "803288761"
  }
}