{
  "manageEntity": {
    "action": "Repost",
    "entityId": "748645",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x98c6a076bef8d6bf2a8e371eebe78008ce4187185bfd04c0583a1a84d500c96e",
    "signature": "0x982b54d8721e88caf670bb6a450be7b59dda240cbb429d1269743425fc7e65787ad767ea36d54cf6fa1bef22df50dfd56783f944bf863cc060c0df73dd2270e71b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}