{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55875",
    "entityType": "User",
    "nonce": "0x3ec2d0041196cf2d1526162e0429077c6aee75079e4121f09c2c682b3462da8d",
    "signature": "0x82ddcba94fce0372ed09be9019e43297cd302785422d241aada770548b32cb5d36415fb1e0dd2f7cfdc0f68a18664a2b371d680729ce6106031bdabcdd9c090e1c",
    "signer": "0x983B834EEB2c355EaD77E7F76138adb8b56faF18",
    "userId": "442086440"
  }
}