{
  "manageEntity": {
    "action": "Repost",
    "entityId": "668346624",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7bf3d5104da5e9c08c8e26468a8656ac69626e08f48fc074a2f4dc9d2eec87f7",
    "signature": "0x9eed6b4a4f21b21675c298fd35a4036592e22897259375c26a3e8adab706d2645ac613c73c1efaa07335e5735df88c91bdd461f7a11d9741183813a91cd830271c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}