{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9a80c544e44c09175990952efae465d146930e5e89a4170ca5c53f62d80f388a",
    "signature": "0x6a87fc3008f8f1d8408bf1b6255c8f32dd5b5dab6e4b4e0a9ced96ca4a3fb38b3457ca12413f8f8d9c1f35396ecdc0b70e810f9d2dc76f9dd195330ce243d50c1b",
    "signer": "0x15A2d8daAAd4924f264fF43629DCFA026583216c",
    "userId": "149116140"
  }
}