{
  "manageEntity": {
    "action": "Repost",
    "entityId": "454290",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe1f00038403e347d8d1e08e9ad45fcc91dc006bf7af92825f30ee682571b39c4",
    "signature": "0x2a9112c1bdbcce405fa583d82e7818b995d82215fdc522c6bc997c29f45f417e6060803e2af4dfdc0d321a8c23b6e163aa8e091e16b7356148e288b9e2bfb9e91c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}