{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xfe5265176bcb4c06e6747099ecd9eb97345545c2fe223f373b5975982f80db13",
    "signature": "0x004b44a08d45519ec29382e7330cf31d96c90a4ddbb841d27d30f9d14804b1636c5d24e1f6ea14099ec3b492d26b26d21fde47f988412ac13b270abd5e7e860d1b",
    "signer": "0x2acBF90b188BEa0e543bF348864E8a02E3814819",
    "userId": "969601314"
  }
}