{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x6aac6c9c07f0d3c4ae3228d23ad61ea059783e717e15eada30c1e288d4df4295",
    "signature": "0x8a558333a2e52e8dfcdb26e55e837bf6a111e73528a8d0bb2d944caaa7b9927f11bfd677053759dc6cbea065ae46682f82294bf5ee1cb4e44abca730095a33821b",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}