{
"manageEntity": {
"action": "Save",
"entityId": "163004874",
"entityType": "Track",
"nonce": "1794233280720907962",
"signature": "0x434c197a5e850762b3d5e2409ef69bc822ad5f37c1f7546b93a2e59a09b8b59b44583c4ddd27e4d0a79a5ab766da931760404aade8286dd7eac3b9f0686c46dc1b",
"signer": "0xd30fAF377491796757Ef4C1B0ccA8a407920e663",
"userId": "451691735"
}
}