{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xfd470df80c76b00b9a5267143a33e04921119af3c5d70249a28529dcf07041ae",
    "signature": "0x2e7fe708e514861d19740380df9c27723317b5484e48f310bbf0cd4b847d7abb7e82d957d70bc8b54f6ea079984b7c42bdb7df30c56084cadf54b99521e528ac1b",
    "signer": "0x8A7ef0AfA3C20823CA2525BE46EC0010EBE7609a",
    "userId": "990507503"
  }
}