{
  "manageEntity": {
    "action": "Repost",
    "entityId": "447123792",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc9c94e60ec190c48dcd257b5cad96fd6ea6c40dfc57b952b07f18c52180157a4",
    "signature": "0xf15a812d6c358e2c900946fbe339bc287b0ec5439c73b7dc092e231fd7eb105c36d683a9ed9a4e237ccbc7f1b12ac6aebda617f649fd0a32750f36958f53417e1c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
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}