{
  "manageEntity": {
    "action": "Repost",
    "entityId": "551507307",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2dd49eda084229ef992ca5bc4410aef3ddb2c10d13817dec0117d847d1bb03e1",
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    "signer": "0x8876AcafD0aa73B9f12a77496b87C699aF42B15f",
    "userId": "906222947"
  }
}