{
  "manageEntity": {
    "action": "Repost",
    "entityId": "853108710",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9d74ded4e6967dffac03b6202defb8971aa38ff298d31f59d31ce966ed535986",
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    "signer": "0x959Da604498F9127EbaCbDf4E1f0e9186c29cDBB",
    "userId": "462284357"
  }
}