{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77744",
    "entityType": "User",
    "nonce": "0x006da9f4a987f69cdca1b19e00ad2bd19e7287527cd5732f3780cc7f33a2d1d7",
    "signature": "0x9cfd05df24c0f3f31dc61855c7588d3c26ce787119e1ae8f1701ddae7cf0036857e425257ccdd469889799fd0d3e6bf10eb7dc4a19990a8a8c5ab6d4fdd54bae1c",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}