{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1405645020",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x314df5d5b1cf06d96769bf368a5a828585bf412e5fd680ec59cf62050affce3c",
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    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}