{
  "manageEntity": {
    "action": "Repost",
    "entityId": "989900",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x20f2630ff4d01a65782cae01a16df1fe20c42d840d642a333ee84ebfa901c36d",
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    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}