{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "881956045",
    "entityType": "User",
    "nonce": "0x08f511d4f8849309c30949709d6cbd22b1635487c5809b0767a03e80ff5e1616",
    "signature": "0xb497e351df1bd51fb9ffad75efab86b5603b1852819eff8719a685a81614f1c115c7d6fd0fe5f8a33c84639190020b18282ccd9be2e1e82558cd6cc18639952b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}