{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643215143",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x62e9a4d60cc2cf6b42a0042b1084fafbc800ca51e045ad8843cccf686cec9f48",
    "signature": "0xedadebd89addfc5b4afac28d1d5beb382b8a338b4a8266ec72b827fd0079dfe01cc4f6c901c8c84d0f2125218cd446448139d90e48b3dbad4bd1ad012d7959071c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}