{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1640138954",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfdd7cf328b0235bad2405fb11abbb5d2bdcdf383dbf602a908263dd5a539897e",
    "signature": "0x6e50108be4e1a27335c844b38f84a5b6d00872bdb58014aaf748ade5b476148f05a3e113758d5404767fdd5599b407c12c7ed136503cafd80bb60a457fd98d621c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}