{
  "manageEntity": {
    "action": "Delete",
    "entityId": "803338613",
    "entityType": "Track",
    "nonce": "0x6c4d4612a59c62e66a7c9f948b26e5841a98458e596aa11b4bf167d160a95741",
    "signature": "0xe71cfc164c083a31f35506f0d3ad6df1267acf6c722a852e1a8983448c341c610b067512258690535b9a2d65d8c823a66955deceb7c18a3d40a654a8467693381c",
    "signer": "0xeecAC0808DE6320b11157473c635f58fFc0668A0",
    "userId": "423422344"
  }
}