{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545325823",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x43da8f6ce303720c421e16771256c749ee9e730ce43ac781a48eb870e0123be6",
    "signature": "0xa12a8e1b45ea8752b713ffc9358b5168397563d1e8e72cb6bbef45e94df3db381c499fd342795cccc07280b5e0a64112cbece7c931e65a29c58b966f4d2cabc51c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}