{
  "manageEntity": {
    "action": "Repost",
    "entityId": "638885845",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x336947567f97157f64fa20f8fbb6a6610bf05019834457a0710b0a4646aa72d2",
    "signature": "0xb9cec0c545225b5803fc845dcccdeea83b9f6b107f48bc495ab3ec1917511e61461834a2fe3a87ff4113b9ad9f729ddf3372df62764bf15be00a1cb5d4ac8cbd1c",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}