{
  "manageEntity": {
    "action": "Repost",
    "entityId": "258392",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfa6c1e71dae552eccffb16b55cfe7050fcf8ff47ec3b5979166e5abac1c4beba",
    "signature": "0xf4bc12ff09701415cb7ce9fd081011af0d1431ac94dbdfec5386bfb2b74305e4050368f464f775456ec34ff2e377d1f745c3dbe5b2f8abf95c7345a5f629d1921b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}