{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "744937248",
    "entityType": "User",
    "nonce": "0x5d21ff61e913a5992a171d45c78891d3f776ae4cd92d3aa07d09883a45c9575b",
    "signature": "0xae8b29b7a6199879c8f0b01e6fc8a7b02bbd6042f8e74e4f43f0f05feaa754e0284621cd12f7754e33c490f157bd85dac56469962b4ee3715f5ec5a8179bf1161c",
    "signer": "0xf765901fa8CEf102E6aB615eB224ff151Daeef98",
    "userId": "582942186"
  }
}