{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399413",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5ddc4891b04121cf53f567f73b01d43dc5bc4686e37dc93fda2af2c6cee4a619",
    "signature": "0x3882fc63873f474522d9c933dbef85091c8b7053aaa38a511a2424beba5774475b5f7484154d4709b34477a43daa6eb70f8f0577fc5765162620bec948221bdf1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}