{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17689",
    "entityType": "User",
    "nonce": "0xcc5e5e6b20c2decf342d6f1b554414e7e92a27a9ec8e230a197f3bdc38d805f2",
    "signature": "0x53f7954ce26e43cb800b3222b4fd44805ef3433667417ac8471d8270f818d587777af6d2536ce1ee670f8d3c82e05860d1ed743a19ae77b6439aa410da4659051b",
    "signer": "0x9837C03EAdfA74365Cdf4e01e6840D356104bFab",
    "userId": "911622928"
  }
}