{
  "manageEntity": {
    "action": "Repost",
    "entityId": "867561",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x823bc92f65afee0d4ab373617a78da5fb6ac9747b5279e7ef842217c473e48d3",
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    "signer": "0xD9254B079e0e1571E56512C57188F2eec899054f",
    "userId": "854498636"
  }
}