{
  "manageEntity": {
    "action": "Repost",
    "entityId": "856487872",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x457332fe853f9b65fc8255ae1fbfcb8fa98ca50faec0481201c60fd1c51f468d",
    "signature": "0xe4c712210ce94086f2ff457a965dff1687d5086c1f49ca4da3cd55559c6f46116f956d425490a213e2c87923ca97fa1b00336bf486def3d81688c85515f3c28a1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}