{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1552909280",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb9879bd54e016fccd01899f14c18b7e676ffebeecf6b02c26cd5bb48137f2302",
    "signature": "0xfe3fcf8197ddc2084f7b92bd2ea7d32b301e660fbc4fd0df372caabeab4ab1d64db6e7cd1cfefcfb64168ce184843bbca4180cee26d1f6169ade9aefd8432d7f1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}