{
  "manageEntity": {
    "action": "Repost",
    "entityId": "758089",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3cc3f950d9e96cc2d6f3f4fb88295d61e9c562bbe82475c335609c458f3f58e1",
    "signature": "0xad93201248f33ae7bf3310b5f7188d88539be9f5b062e663242892b2250de5ba1769df4a0db21af9d28a8de2b9ba74d68a4ee03eb70c759aa8fe792a884b77c71b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}