{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x2954973cfdac2481f3d2f9c2ce384b8db0d1cd1dbfe40bf3aed47d4f7c2c7e3e",
    "signature": "0x4f3ac5cec2b6e96e4a86d7472aa9f08b6256d3bdde711e6a67ada02e9726f7826f8a66d91a6a42b1599e58f723480381a6f142b0baba9b845e4ee24ce01ce92a1b",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}