{
"manageEntity": {
"action": "Save",
"entityId": "1038540085",
"entityType": "Track",
"nonce": "0xfd591d786a2be8d3f20b273ee92b70133dbbdcc060861dd64b799a47cde15853",
"signature": "0x15594c28a6cfe3a1ff364b03d15c26638c48d3a8177af3bf116b90d25f3ea46866047496b6c4c59eba6d18b0825a484084964faa1e2880e22e752af25aab4fa61c",
"signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
"userId": "614212580"
}
}