{
  "manageEntity": {
    "action": "Repost",
    "entityId": "281215854",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa3a1a93e3a44773d22d660cf914af752825f80a9ad5e115eabd4075be277f271",
    "signature": "0x1f2a2258f453141ec885a0ee5b40d7d3e7c58c3278d5a152ec1a8d901efd76b070305218a14ad85ac897facce7b12fc0f148c026f0f2f9b900feb40392a800a41b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}