{
"manageEntity": {
"action": "Save",
"entityId": "613568085",
"entityType": "Track",
"nonce": "0x5259b748752ebc34e6f47431c94914c8cb31e17728357e86a83bd937bfff40fa",
"signature": "0xa9d7f0677092cd295998c1d02c03074d1173db1bc16baf0c1775a8f362a88192301d6d5f948fb5c8317af76666d653a40932d560d5027a8685425f4e0bad4bd01b",
"signer": "0x36F7bb3C167871c723AC2134d4AaAeA284094714",
"userId": "95466"
}
}