{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "757974",
    "entityType": "User",
    "nonce": "0x8e251b8320d198e738bee4e48cf71515c450dd0ac53e369dfd022353ef0f743c",
    "signature": "0xe726c2e063ce7e179d9b535b6f508bffd1d3b349e04a5737e70873632d13a72619f37acc22211bbc374f929cd29c00b66db062bd1987f766bf267d60d0c919fb1b",
    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}