{
  "manageEntity": {
    "action": "Repost",
    "entityId": "128510",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x43ef7c4fe1c7a99739bf217355ba37e366ab291a4ca232319695ce3111f0c6c2",
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    "userId": "55290787"
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}