{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1476974520",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5723d00e25497cb614edc6ab3b7de51755ccc73271eb5272c92fb0b39b77bc82",
    "signature": "0xbbb92d1b95e438358740500ed0fa13364fddd5c44dd8397eb57f1aa45b6dce2837ddc3d371317bf47a111059d16b9027fc170a3df0a1da068c280f80b431ba321b",
    "signer": "0x15B9643abE09bd37C52a5BD1dCF938B05b06cBFB",
    "userId": "370091516"
  }
}