{
  "manageEntity": {
    "action": "Repost",
    "entityId": "447773210",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9a0e531ca48853a47972171098550778c2c33b23bfbb995cc3d503bb35553244",
    "signature": "0xf91096c328a335a91e727d8f0cbe58958545e74e94d558deb2d795030318845f5325f65568ba7f34d17ece1977c4d74c6cf117a1136b37da50e14bd33f515fb61c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}