{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0xcb119cb0de2430c1f23d9db12ff157022ad25e96d874033263b8bd7ab4890d0e",
    "signature": "0xdff3e0cf59d0966f0f56e5afa7ce82e43a57ebe87988ca1e5649c138a9c055a5383ffba836bfb51e0568b472ce629b3f314743bf97edf1d244343bcdabe0d1031c",
    "signer": "0x009aa7b49eAF9a76b4b0e1D3C0ef92ba4e8ECEa4",
    "userId": "350390967"
  }
}