{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1857121446",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8b33c8fb86b7a6361c19386bb3f47dd0e5a32241d639fe66c01a30c85cfc63aa",
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    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
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}