{
  "manageEntity": {
    "action": "Repost",
    "entityId": "856213022",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xeb0fa5ca38bd11b8013166ebb228fd2ce2372910b5b1d5175ace82e79eb296c2",
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    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}