{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "308029",
    "entityType": "User",
    "nonce": "0xb26f59db3fc6ecdee8e676be55f612f71b69d438a1a45f949e15a816b8da6cef",
    "signature": "0x498843178e9b8f96beb027a675c1b8cfe4f9ba30223f22e8bcabe471811fa0a50aaf3465249dbc284d618eab34c1ef160cb33561bfeda6ff2c6e4c79ff33dcb51c",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}