{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x8e17501a1afbaad376eaf8673c1dd42d5598a58b5750c9ba55c00610efe08355",
    "signature": "0x20d969e3657f3dd337010d0f6dcfa5c84728cc51338f11574473ec9745a0fda659f3cb909560ae1c090a9f8eb8187ba829d3f9ff159ef4805f322077efab272b1b",
    "signer": "0x52736F67C02C10d42Ea4e6262BA861E854f87423",
    "userId": "776850188"
  }
}