{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x89f38a6fdb8c2d678edca5374ab132f5e75c776addd1c8a194b9b8720a2198de",
    "signature": "0x869a97c1e1a9f2f2edc30b6ea9965fae0aa59e53577112d74c468652672a7c4109f16ceba76858069afc0894493e4a0afab7af71876df0b3ba8e4ddd8b09441e1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}