{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "275858",
    "entityType": "User",
    "nonce": "0x766b9922de17d4288d77ee70f6c0695ba3e18c2745c90ac199dde2134559bc86",
    "signature": "0x76c3f57327b85851ffb3514a3c7a35a307a798ae250f0c37d65508bc3078131778d50120c971f3c3b2972242680354d51e8c256b48381a777ce00b55d7b5a9651c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}