{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2018276",
    "entityType": "User",
    "nonce": "0x36ddd8df90be8f60908d9d90dc7eb1dd68a214eeb12fda38e39f260e121dc05b",
    "signature": "0xa0d6a6f952900504868ccd7aa1abaae177afde23cd89503b42ecba7adb7569d95508e7ac1fa0601cf7c8543363372a0aa7bfa84b75cd41bbff1a7bee2e5be6251c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}