{
  "manageEntity": {
    "action": "Repost",
    "entityId": "457602728",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4ef6e243a8cd2c55919c4ff7584bd56d7339c44a6da7f29616d63d5a56dd520b",
    "signature": "0xbe21d48ffebd21ea99d308c87f9b183bf6f96673a6bfdeaa6ab81838baeead3a104f63c54039b64cd60ce05057c15c66c863372e5b89f790e26e9c36ca3e92e31b",
    "signer": "0x5c51216FbbB9B7A562f11267f91f72A7be1e8DE3",
    "userId": "105826"
  }
}