{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "868248368",
    "entityType": "User",
    "nonce": "0x00bd384af24ab6d6b384537bfe9b93eff3a6108df17265a8bafa1417442901dd",
    "signature": "0xf99b8a74d59e29bb28f31815c3d6a7fc12d828d7333a95d2fe723fcc4a681d3c1005e528c8a51560ea85a6d71317e0158efd7c7646b936ed3ab1616ee5184a951b",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}