{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "731052685",
    "entityType": "User",
    "nonce": "0xf094347b86cce29371bfceb5a08a678fb6be4761d6a5d7f1ec67f65f9e644e86",
    "signature": "0x2ac929c6f0e833ec28ed14a00f9e00392eb85b112bb9e7dae3823a52249d971369a1696f9b7d83200ff798debce00c481800d34be291ac6fb5452f93e564ff441b",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}