{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357010",
    "entityType": "User",
    "nonce": "0x6b295ded84ca3218ea20af7a669d042ea236b6be60bb688824382d7cf662b54c",
    "signature": "0xea6626e776e3715a7597b9922b29f3091c41179ee0185146f900e339f56debbd5b873d2a4c0aa1572782df9a4ed5a66b667a27a312a8cfc7ff26464dd04e5fec1b",
    "signer": "0x22Fc85b6fce8CE12f05a05dF6894b4140b7e8bC7",
    "userId": "373394983"
  }
}