{
  "manageEntity": {
    "action": "Repost",
    "entityId": "491968",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x57ab6b196dcdfe174c9ef76811366d4140233f8059ff1fbf2f22464469a0d96f",
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    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}