{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0x448460122af1c3c45d799a23887ac84aa31057e2af10b160c8b7e108ba27bbbf",
    "signature": "0xc02c283e3efea1e4a6cd33eb3846230d3e1aa3e106c63ac310e4b27005c6b15d6d6040cafa7a48d19bcd89827fe02003f65d8312bf6854d728f940c68a21b0a31b",
    "signer": "0x5dbC53C543BdfE71AEb38f1Edef3E53cbd920f07",
    "userId": "832445087"
  }
}