{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448566086",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa73c20161fbe4a28b7d341526c6e52637ee55ff8cd2c1ce22ae535b72fa6c72b",
    "signature": "0x452220528c747cc337e5920df813973ab0b1643d0e558b8720ee60076744588b5b7524477eae3254ba1fec6cae4d31aa08157c9439771a5ec6d0ab1d482df73a1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}