{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238596",
    "entityType": "User",
    "nonce": "0xb8724c3d78bd41bffed106fc4e9438d716ef675a3c838c9c848faf2e3fd8242a",
    "signature": "0xd3efeaed06ec899853491a11c874395f1deafacab0a8e10abf66fb646e9911f8025dbc8bdb635d8e84e2033f0656d79a8efaf9881f5f029c4f002cb0e3d49d141b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}