{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389839",
    "entityType": "User",
    "nonce": "0xaca16b48f651d2da518c4caf64aa603f7e335faadb0e609cd392767fe4b031e3",
    "signature": "0x518e57ea760a3b5aa7fc7e4962bc67a64cda1c7cec3a25e0c9cdff5edfb767da197801a5089197b6ae564b85f8c4654a2e220f5868718af1d241c62358f295f51b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}