{
"manageEntity": {
"action": "Save",
"entityId": "132495378",
"entityType": "Track",
"nonce": "0x4ff7eb657d8fe97a9ef6ff262d356caa36bba6c9e6082301e54b55903936d5bc",
"signature": "0xe0bd2f58ef4d3fe9662ff8d11d6bc4d57ca73162f876a52093fba3ad83c3683279004e61d1087c41da9c75f89f7b007b288339efbce6663005e60c2234b532461c",
"signer": "0x5156122E7f53a879786546b3133306b9F7814b9b",
"userId": "781663071"
}
}