{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "149429484",
    "entityType": "User",
    "nonce": "0x45c91047f2790e65bbe5ff2b5f098b3c71b1b15b76b7c66fca740bb22b8e1364",
    "signature": "0xd191eab9f586099707341bcf6c117197e727ac9769681a43e654e866c75b16096a18278bae09275e6a3d029a2c08c4f8f2ad2bdd2be36ae8b792b40de849c3831b",
    "signer": "0xf765901fa8CEf102E6aB615eB224ff151Daeef98",
    "userId": "582942186"
  }
}