{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644285686",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8948aa65fb325d05073367c3ed0907eeaf3c49bdbd1daca37218dbd92756e182",
    "signature": "0x077ae14eab92f88aab268639e26572dcde73cc8f4de7b239c2a332324b5233b91ffacfa7152eee4b32fc91a3ca24ac3e390b48538f56b955256f12dfafdb34881b",
    "signer": "0xa8E11aa224d2579f5cbdb912866bCE84Eb10f9dD",
    "userId": "951616224"
  }
}