{
  "manageEntity": {
    "action": "Repost",
    "entityId": "139132",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8a5458616d767ebec1bc8c08da5aecfc205511e0ac4e9ad608e69cf7e8f0d87f",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}