{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1504577420",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x23a420293481f69487b27273206649ccd6ee8a9e2ee1d98d4aa8e12c656da671",
    "signature": "0x60627e2d503fcad049456bf0300d6a599840712f102360a34d5133da7b3c527402898739ee813245413342cc0a665e65b7059e9f669b69c0950dc2051d7cf7411c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}