{
  "manageEntity": {
    "action": "Repost",
    "entityId": "478396823",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x03c98e9daf5b9a1a8fcb27d740642d8ac08e220416e5ee626f7f9fb2cbb4c52e",
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    "signer": "0x3D4d8a781454E2338c482dE697d6DE1ACc7D9031",
    "userId": "599751364"
  }
}