{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x2a81a248006783ce92194f48498e76192502d7b7beb7eeec2515825e580f10d3",
    "signature": "0x78c05e017f31d86ccedabb1f9b79b00a44298e5576ceca9d8e9c8c94d87fe4957a477d435e53d77fe1afc418272f42ce3bc5a3422a2b10f780de8a6ac988be651c",
    "signer": "0xfD887Cca1aa33010930F493849cB4eb036a11f49",
    "userId": "516824957"
  }
}