{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "971831429",
    "entityType": "User",
    "nonce": "0xffa6d29166c998771c142f25db8d0ff3e0fff2a57c3ff37944d0f22aa06690d9",
    "signature": "0xdb7ffe72a2efe958c0007c70f600055f6dbe6f2bbe82421358ddf29e21550e4820f443e971376946fc95f996c73163082493d9b8ed42d1e59ea573ca504e56ac1b",
    "signer": "0xBe91e284c86FD9Cc158dEE8809FEB018D52EAd00",
    "userId": "916957563"
  }
}