{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68954",
    "entityType": "User",
    "nonce": "0x6aa9d6cacd64325f77fba459c43602e76cce697da053b7cbda7b1a3edae93a70",
    "signature": "0x0bd533286ea94cbc9aed239e5baff3cb139ed0247cb24fbc1ac999d703647f7e4b17be65d4fc2db491e4f0f22363512a4c7f53941d4b5d272799ae71edcce3b71c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}