{
  "manageEntity": {
    "action": "Repost",
    "entityId": "759869",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x96bd56c8ae1ab942284f3fb88f07ca1ebf6b6ab3ece3219e81897fdd568b33e8",
    "signature": "0x747b1b77d688c3f565712ea970ba1b19af850109218c81cb824cb408f3c72e2e099bb19410afb347d5f7e75747c439748d05e70c574d9d9b1e349868dd1b1d641b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}