{
"manageEntity": {
"action": "Save",
"entityId": "281097235",
"entityType": "Track",
"nonce": "0x8a2056f87baea76dc07f19179b775244893048886170b92cc8234506261256b5",
"signature": "0x01407799940b06d24e9aa24b6345db039e29b127f4b44ee6d1a83677d67b51ad5f32fcb71ac70e8346779081338191d365addbc5dc29bf9d81c8848ba197688e1b",
"signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
"userId": "377610060"
}
}