{
"manageEntity": {
"action": "Save",
"entityId": "2094608640",
"entityType": "Track",
"nonce": "1792290705999082349",
"signature": "0xc582da061d899e841a07827a691381b26e99fd0758cab2e7f316aaffd0883238471257358dcc08c53061d7a37550d84bae165c25001bda1a6c4474b2f3c50cf11c",
"signer": "0xd30fAF377491796757Ef4C1B0ccA8a407920e663",
"userId": "451691735"
}
}