{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "758745",
    "entityType": "User",
    "nonce": "0xa055ce0d5a0296102fc8ddb8328ebc28f7f4630b06fb7194f1b51fc12f4dc20a",
    "signature": "0xf83054130e62d095b0289217ab7d62f0f1f4e71279de66651cd54eff2fcc43cd4c0a75af66de6ad47955612b3a7e25455fdf1a35ac1f87643e9e738995bde1e41c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}