{
"manageEntity": {
"action": "Save",
"entityId": "1625667585",
"entityType": "Track",
"nonce": "0x0509acc318c174d85592e141bafae2e4c5eb6e454262c1f2a3cbd120a2175acb",
"signature": "0x3d87a5ff2e888d439b9d8d1a6a6449cce5aa0100085eccbc81c243d90cef667301325b0670696796ff954e348f5a2125afe9097cb46cad3f82895f5c594642641c",
"signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
"userId": "614212580"
}
}