{
  "manageEntity": {
    "action": "Repost",
    "entityId": "273498",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1d4fed84d3da4a2f7059c8dde386da6d9e9a22b5a2e543fe212e7d9afcd8fc2f",
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    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}