{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "764650114",
    "entityType": "User",
    "nonce": "0x826bac2af19c42773f4a41558eda58a47df6dd4f12cc979685a604909be50d90",
    "signature": "0x21a11c6a30b9911458c6e8b9eed8104883b17474bec077ab1bad71ee4a58c077676802830ebd1bf59ffd89eb856fc500812b3fa2d72fb18395d82e597551d6551c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}