{
  "manageEntity": {
    "action": "Repost",
    "entityId": "445542978",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x61c5e02f4a162c8fb97367dad023e365d2ab8bdb23bab9debda9481c18ab9b72",
    "signature": "0x14864627ad6810a41f6364cca34f902eab9fcb78e8d52881c929d8c0df78c2a13b71062ab50b0a61a91f86f1cff0a62021b25a9330c5c83c08dec518550d9a021c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}