{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1796880",
    "entityType": "User",
    "nonce": "0x5dd60c25eb2a228f2ea4fa6d22aa9d9335e1f7da1c27e2f4f64882ca36c1b2eb",
    "signature": "0x7c2974c1c708e622e3def33a241e607f709ab813539f4eef123f66f3d58609861e2b65d713ece8077c5a67e01715d4407b906b8b0577e0f761d3398418d5d6271c",
    "signer": "0xb9160bee52F73DAB98D7cB3210d24Be59194CaC4",
    "userId": "319969"
  }
}