{
  "manageEntity": {
    "action": "Repost",
    "entityId": "774135321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x74676c22985b96b919fe66fa9db28449e53445d58dd1e0669b059c00b58de43b",
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    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}