{
"manageEntity": {
"action": "Save",
"entityId": "13985",
"entityType": "Track",
"nonce": "0x114745f4248a80955d897a9d65db95442b0659f739d8185e9de59f9d8b3e4356",
"signature": "0x59ecfce345ef2dbcaa72ef86c60a0f26eb5ceab1c21803f42959be96b7f0a66b6b755e00904ce71b6cf3ae637bbab12b9af5308d237c4a8c9d1fb509a205deae1c",
"signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
"userId": "161353174"
}
}