{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "324845966",
    "entityType": "User",
    "nonce": "0xc3e956cbde93b480f9f341c6af18ee2b59f24a95061908ec26dc4e4b5dbf7344",
    "signature": "0x4cfa2352d2a06432fbc51b9e2239dffff71e02b311a7ab1bc76d5ee944aaa19512e2abaa092106e62666480b0d1fcfcc7247779d2c89c8396f04249994f02b1b1b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}