{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603054565",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x21b9b4b5c78b0061eea9265529325a43a9233d3afa421a50d88488c55ac76dd4",
    "signature": "0xdac4e664150932c4a47b10953250d6aee2e97b48e107d156b9bea2e03d37550d2a78a05efe8cd05d97537976fefe89dad85cf17d21d11b2054da119bd71ee86c1b",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}