{
  "manageEntity": {
    "action": "Repost",
    "entityId": "668121976",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3d277b8964eb2cd6ff676d20ac6c9fc12988a52e88e9808f81b628dca5ea2b39",
    "signature": "0x38c46884ea33d70fa150dfc629570010baa51204dca368a795809dc1117864621c6789b9693538d82441753c64cd7b048dc6291f2b5a2e3fcaf31b89bf27b7851b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}