{
  "manageEntity": {
    "action": "Delete",
    "entityId": "510308776",
    "entityType": "Track",
    "nonce": "0x6f1e734f0716cfd4f0eddae6d08f56fcdb07a351e38a7667315de0f493494549",
    "signature": "0x992f8d82838583e0eeb9bfe0b192ec62c81f9b4189773db3ae6adbc6030eabe56dbbc5d1f9fdf38536c94fab0f2e1194787f3a93f529c32b0a9cd592bf423f1f1c",
    "signer": "0x671399CD0B1762e819728A86C746C1Fe909c0a25",
    "userId": "987008686"
  }
}