{
  "manageEntity": {
    "action": "Repost",
    "entityId": "504458",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2803f8b95e3775f2ceb0cbb551dc2524cd592ca9afba2ab90f7a4b65e08a46fa",
    "signature": "0xb3fdd5e3d4ea8040c35eb6100e965184133a7c1ba0809458b86974090f7ecac5704d39ed00d1ed05f356c4828a092b4d5bbcd427e7c8668cdbabb86d3bb547701c",
    "signer": "0x4D8EDeF47b57f98c89BDFf851267B0327BE4cD05",
    "userId": "5307724"
  }
}