{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61765",
    "entityType": "User",
    "nonce": "0x04d4b43dd8c4783b3b312f44fdade3c66fb2e08eaec15c9eaa4b51556fe3963c",
    "signature": "0xf0b5e3fa1ca8df84d23a6796bde5ba416ed5d63d795a8219726a8821c3c2382c44a3536a3bc8a32ded977885b4a6a9bebdafca377006408f7a7aaa9da6b18c2b1c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}