{
  "manageEntity": {
    "action": "Save",
    "entityId": "162732327",
    "entityType": "Track",
    "nonce": "0xef11966b80c3b3fc3f11031bddd623779ad8087bacfff35a9cf5e765651e4ed2",
    "signature": "0x018a3e8c7cae0939531e815b25af19fdcb322caeaa745e685fe565c353ed8ea84175a6d43bc9980448669968344a8e8bb1c5865525df9944ad1132affad989651c",
    "signer": "0xAf1f176E32866fb97d822F6f5222061aF11ef652",
    "userId": "954117045"
  }
}