{
  "manageEntity": {
    "action": "Repost",
    "entityId": "617014",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1b4a21f50ef6a044d8b6b6fabdcfd1224342934f1c3e13fafaf6735bd3e69836",
    "signature": "0x754d6f7f0802b613e6dcc7b5bd615249e635f90003c521536bb3acb58dadeac228b1cc0327835b5028840f64e9cb30b583e1a58d07bf56e1c6244fa63aab92381c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}