{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203752",
    "entityType": "User",
    "nonce": "0xe45dff0ac6a59e480ad4812b449c9c926b28009c6a842046a166d9b238d107cd",
    "signature": "0x52ddd62d8de46bf9022d7b592a1035453a8a6d9283a51a15f4684b8556f80e8d6ed4010fb91852acf078847635ae6561fb4496b17ae6e873c34acc33aa69ec6e1c",
    "signer": "0xc01BB3a3E7C64dB44052AcB9aedA3f7AcA268064",
    "userId": "423602960"
  }
}