{
  "manageEntity": {
    "action": "Repost",
    "entityId": "428371",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xae872020e312a558e6e255f5b62103c5c093be4864d6a0559329ab2643b3ddeb",
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    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
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}