{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60979",
    "entityType": "User",
    "nonce": "0x784b9c3062ea1e85e0971339bce68eedef4558dc1eab2207f4dec1c3fe768bc5",
    "signature": "0xad7a6d22285640262fbf519a3852a1729a571f9f0cd04e76203042cd574a31c154f1fa32d8009628004daddf4e3260765da36f9b3e96ab3ba52d441760242d461b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}