{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "868248368",
    "entityType": "User",
    "nonce": "0xa317228193d2a0cba6adb042cd079792d335026409649fea8b81b75f940e0ac1",
    "signature": "0x51f055b04654e50f1a71b97fc9d06cdd5c8c98bc27a368f9c1e3e85747d560641602ccce80c2eab1371794f597d32b75121768ec0d8f63bac1f3b9274c9258a91c",
    "signer": "0x36366012e180e5d6378407bEE6206Afd139E5985",
    "userId": "266556517"
  }
}