{
"manageEntity": {
"action": "Delete",
"entityId": "526209262",
"entityType": "Track",
"nonce": "0x9a8ad6d0ef4b573099fad225655762d8c538478ce7bc21a60fe30edcea3c2c31",
"signature": "0x201a30c53bb08615b9a66433abd3c44983e3087bfa36267460d38a464098ac6426623e57b82911a71800255428aaeda72451bead4187283205874b343dda03b91b",
"signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
"userId": "715160400"
}
}