{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297619",
    "entityType": "User",
    "nonce": "0xfc6462a07f954c57dfa890d58630d5961673cc706d85c9d5ff041ef7b390a098",
    "signature": "0x6a24ddc5acf6b3a19f21773e77288e49fad604da0a52d3b72a6355a7044b8284029f19d1ebdae81e146c440d59f61dce4b600db333645c1734420fa76f7c04af1c",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}