{
  "manageEntity": {
    "action": "Repost",
    "entityId": "2129435641",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2dd9376204aeed2168ed4d33a8507461f84f5431e27b05e89aca3e783ae820da",
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    "signer": "0xD07A680d4F48bA7Cc076c23f40870AccBbad1987",
    "userId": "16411799"
  }
}