{
"manageEntity": {
"action": "Save",
"entityId": "1181813232",
"entityType": "Track",
"nonce": "0x2296ebe5be96938efad44af2db04be98a962734f1e0fa7975ea259cc7505201b",
"signature": "0x9f7bf378eccee040f66d810a0f6bfe089161965ed6ea547eba1d5d7874e1089d5fd563981cb4bd61f1acfa4a01b49710bab92c1af311f6747ae51b50a7db6ec01b",
"signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
"userId": "77551267"
}
}