{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124586",
    "entityType": "User",
    "nonce": "0x3e4203dd1d3e8cc0bb4529c74eb68b47122f26a1ac68c8a04076616a6e16e32c",
    "signature": "0x139a3d68684aaad0eaa01691fd2a7657a8c1608dc0c8997f5bdcf89fed2de9191dccc3d60141fe26d3d7fc489834085762e5ed4f10ffca7b8bfe01a7a11724651c",
    "signer": "0xdF94159720AB889b4D53EB68Be2E4869f38b9eFc",
    "userId": "863573949"
  }
}