{
  "manageEntity": {
    "action": "Repost",
    "entityId": "501697057",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x362c6a4d6b1f77d652049a7ab53c8cabc6e371d5d79de2e50c2f7dd47e541c15",
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    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}