{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "361759",
    "entityType": "User",
    "nonce": "0xd57ea66b0b9874b4c9f78197ebd65b8609c8af78f5d3d4da3780509cc28aae4a",
    "signature": "0x1a17f380fdf2d96354c7736aea607f7a58ca2f4d8ce7b5bb2b851e1c688f95da40d0eac47c1fb0cb7ce85412a6eda3d7553610f1c8be9e126525dd9b8c807c5a1b",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}