{
  "manageEntity": {
    "action": "Repost",
    "entityId": "498138238",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9776ce6af9d78b099dc59839cff286ad12452ad304eca10f8d84db3b56747e8a",
    "signature": "0x1a2d85ca7a1e4afe1c7b5803a696881554a847de7e23ab0e4fb61f9b67927b373ab5cdb6eaa32690d82b174547d56bfbe010131cf7f16e0ec096b190fc5becc21b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}