{
  "manageEntity": {
    "action": "Repost",
    "entityId": "338249",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x916d32384625241a79dece495d35d1d77b84a1593b46eca9a0e08b21923633bd",
    "signature": "0x75791ab3d9d491bd1bce2d5072d51ec01488753dd24472ec1a3fca13e6ecec420d5abd1da2a28d4bb27d973e6999feafc70e6cbe318fc34fc143ceff48995c1d1c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}