{
  "manageEntity": {
    "action": "Repost",
    "entityId": "691356174",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0c60625d21639f75c1c17cbb62f85d966039d4f8433313b26d208c038a41b423",
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    "signer": "0xC4F1D4AD65Aec4aa16A50FcbF32a9c685a22cf01",
    "userId": "551975061"
  }
}