{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x0c4854e9c804bbc71f5488ccd22f34345f89cdf0e5a5c9ea12a9b58e79c7b0d3",
    "signature": "0x670a13e9fa00b883f9c1fe827e6989a2c2d97032f1d37347ca45be8e9f03ade94a5d91dee0ef601ae7b833e13d654461d2478eaf61f86830879c3b6085868de11c",
    "signer": "0x0AC77876338a1310E24e939DC65C28Ae87A0D298",
    "userId": "415577056"
  }
}