{
  "manageEntity": {
    "action": "Repost",
    "entityId": "857227142",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x80b9626e157bd10b633d0b8a30b8ef33d18329bb1324e900365d56124eba5375",
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    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
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}