{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xdc2e95af282a1a797240c389d53f19fa534b91a0cf672c479be1e1b8b4dab863",
    "signature": "0x73a94ef09c32999d7d042a88221a2a50b4a54cd82cb6f595b1f7cc335bba66fe3b83391e8ae22b35e8d5159a803744836714a300318e418a9516ee4681bc023e1c",
    "signer": "0x9a5ed0b3F555Cb77D9B73d00AF43BaA4F88b1487",
    "userId": "736503935"
  }
}