{
  "manageEntity": {
    "action": "Save",
    "entityId": "1179946214",
    "entityType": "Track",
    "nonce": "0x211f418dc2dd441a4f46d662f2454f8b10c3de0ced3fc21f8c348a6e739d7fbe",
    "signature": "0x97af7c056fd96798c90cb2d129cdae732db885005ce72237af4911a64901080f61d61ef99c0b51c8867738b8650c5151ec65dfb26099d9663a7b26d3abf7ba231c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}