{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179264467",
    "entityType": "User",
    "nonce": "0x15120bfb022a1b7f4a8e2a6bb33fe6bcd98d5676485487de4559820a38b67ed5",
    "signature": "0x2513d64d65a1c8038d0d991e10a10fe8604c8a1d539bc9c433e3a8f363c6b6494ffa9119019acea97c695993297fbf6ff97190c57a8739e39ec23579444bcfc11c",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}