{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100747",
    "entityType": "User",
    "nonce": "0xf0ed6a4f3f6611741abeb52b3786797f2faa2cb03084eb28fcc26f9ca32c82ba",
    "signature": "0x0ce309d875abb2319d5d1e20d71478cbfa0686af1ea9dfe93f18b92af8e33de17d0d930bee750a6864758d4ed533389600316802de234de72b6db64c88db494b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}