{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1234327476",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc55d42198db44358d43c4ecf97bfff1ce394b0d5d904e505d8260322f118c4d1",
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    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}