{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1387942429",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe4a6f8b2de7b76743313df72cc30e0cde7a1e22628f3e31df780e067e8b58fc1",
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    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}