{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113629",
    "entityType": "User",
    "nonce": "0x90665a119f3bed74bdc2f30a40b7fac7b38285fd42e1229084ec365213db55ff",
    "signature": "0x3b861b92146fdfa6b6ef93d792e40f83dd43e539b98fcfd483567780397fd1054b7e4856a21fcb28140f113a5e912449c205631207dac612ba4263f8f39778821b",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}