{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "861108288",
    "entityType": "User",
    "nonce": "0xdceb34e82a52f5dd935d37f7d51b68d1b90f4da8c8d054c9970487c9f6e60dfa",
    "signature": "0x157862de99f4572a24d2c9487a70d77cd884d85b9a1dbc69601e9f21a85dd495647006c3617e85d3fc13f154df3973f1e5bef0d0e2963dbbffa6cf70a5dae2881c",
    "signer": "0xc74a5C0B76bF95109EFE2119058182fD3D75EA63",
    "userId": "222972690"
  }
}