{
"manageEntity": {
"action": "Save",
"entityId": "985282546",
"entityType": "Track",
"nonce": "0xcb73fd002ad54844a940f5ed750f882c62f0fa23561059d60f29245891f48de2",
"signature": "0x8e81df4f5bd1b54a6a2a96eb556889396f071b6fc0be42a3b1f7d5bf61e321ff084aff25a74ce9544b03803852b41eabc93186cffd31d488d05a4ab814c511cb1b",
"signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
"userId": "614212580"
}
}