{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1458078217",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd656bf64d49eb3fd2185fbb47559443e6296ac068668d52b10faf8d9b2b7a649",
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    "signer": "0x378543D1f467aD15E6688fa37eFF55939dFEDFc2",
    "userId": "200959284"
  }
}