{
  "manageEntity": {
    "action": "Repost",
    "entityId": "648564",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x485821c1bc60f0c1df5b5a2e79bfc09dcae5083c272bba24dfd27ceae7d2bcdf",
    "signature": "0x6034496caef54a4c130079506f159d448bdd30d61b6a7e39bcf98cff353e4df41f549f5fecc76cbe0c3361e32cf6dbc99fbfc79c7bf65de485358d121e767bd11c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}