{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xf745761af72b5938c65e3af944e1149c7f61852317eaa99b694b8d01d20354c1",
    "signature": "0x5bed645ba902fa35db89097fa0455488cdea9dc7c4ac7c13192cb30a088450a014f49bc98a0664899878da4a145b60dd4d878755170b18453e45c36991c09ab51b",
    "signer": "0x62201a2146079A014aD2E748e4Eb6180eE90C4C1",
    "userId": "760481887"
  }
}