{
  "manageEntity": {
    "action": "Repost",
    "entityId": "520106709",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3c9ed1632407443b891bb2ea669703a0297cef20811c702ca4fb175cc730b4c1",
    "signature": "0x543621770cb046b8fdd10936378eeeeda711082be37a7e9d8079046634af7d765518837adf36c5b960ebb9b6a418e8fa5f008598cb1da08e4caa627e1544df901b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}