{
  "manageEntity": {
    "action": "Repost",
    "entityId": "454283",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf5fd184f238fedaf27dd62490d3a9fb7306f22bcbde59056edb6777cfcbd46e2",
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    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}