{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421473",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4f8906897a7367eadc06ab09a35dcde52c7f68a39e4716ebc0e6dab77ff18a50",
    "signature": "0x1c3f5b6512368e0922dff37544f96168f9b0c33615d6719a82e05ed813c597994f1c5f74e60f2558bd0bb290fb14bea6f22c98ac0e85236c367435999d47899e1c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}