{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621509",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2574085d571301d95e1adf923750797cf5064e23da3807065dcb2e868eee77fc",
    "signature": "0x2283886dd85167d67f63ae7869c8cec5fb7d3e4250ed98dcc952ee5ae65098520bd14888befd0bab3cc38ba338feb408be45e6fef89cda5968a49e0572562eae1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}