{
"manageEntity": {
"action": "Save",
"entityId": "415330096",
"entityType": "Track",
"nonce": "0x38f8865a2ccc481b53a3e680961e358db0028dd87595ef96497161fc435286df",
"signature": "0x61427cf33533bf8de59d5f7ce96db3d095a154b094655c2c31553e0d61970d0b1fbada08cf1c44495eaf6c12ddda3a5c7586ddfb937a137a84b514cdfc26bbeb1b",
"signer": "0x2F7db4C1AE3922aD0f32CEdED1870278dd17b64b",
"userId": "467213409"
}
}