{
  "manageEntity": {
    "action": "Repost",
    "entityId": "506152790",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8210b74d2c397a00a6dbbfe95ccc31345a5678ec107b5adc4508314890ef67b7",
    "signature": "0xefcba8e6eb347b9596ec07ed800ce73dbc85ec34d682d8a9d499d788deb47baf32b167a962222cf2abc52a6bbbb1c87b10edf2f514aa9baf66dda92d8c1a58a31c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}