{
  "manageEntity": {
    "action": "Repost",
    "entityId": "539844608",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa9aebff3a0e22dafa15b3ab3046123393e0b693f24ac243d8d90737a81041474",
    "signature": "0x13aa06c804bf67e804a943173efa754fa09047f2f5c744e70f89e848b14b18a25ca8d9e2a7ee44613973ed79c6d9945d8fca59b8385b7494e4449fa08e729d591b",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}