{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xbc7ca46cad2669497de2461b8d6366ca183986f3b6dd8ea54b37ebe777e7dc14",
    "signature": "0x4a7aaf831e58ab002460074f9c8b848dc97e1f9d47c2a6258090c0c117a0949a0bdbec8dd2f1fa8dd680d388adbfdaaf74ec4da1b68f596a99ffeb22ff4ad7141b",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}