{
  "manageEntity": {
    "action": "Repost",
    "entityId": "754688",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x86f63b71fd1c5c8b7d0e120d3069c25e38aeb4962227e08a03a2c16886c67f10",
    "signature": "0x6732026fde92260188dcfb4242c4be893d55da8a8652465cba2583f592dcb4d406cc7f7fa42ef8b9b2fcaaa38a06953b394b571fe65f31ca6a109bdf2320cdcf1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}