{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1542412331",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6a58296ba3ea484ddf22b994447d435a835be1f0a6d420b04008abc047a7a4ee",
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    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}