{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107618708",
    "entityType": "User",
    "nonce": "0x93e33132a71fd2432acc9664202910c3ae7e4441cb4544e7d1cfa44705194777",
    "signature": "0x42d0f345a659b2fdd662048e699a8d0d0eeff85be5a577971e212f1fca9e6808008a8c06ce78e8e010a701876ca0e404ace28cfd187e19d89cc631b8c35850761c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}