{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421076",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6f696c91c016b1f20078d4e1885d1c9f61c7b9b49a6d5e1874fb01b149b31c05",
    "signature": "0x00cc2448c659ac40969920272d530a2771b3985a99424dc5a18d206f581757b51e246c8ee2fc5cd26762e97db4811548682c613e80da48fbf1f4d59e244a11fa1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}