{
  "manageEntity": {
    "action": "Repost",
    "entityId": "840366389",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x912f9f22f166d0d6762b9aa21d924f03f3a3c9a654c1d398a566fee798562951",
    "signature": "0x8fc3a317436931f29f5279ddb2b948fe190bbbf71db1eef368b74b53c23771eb38fb8b42a9dc6d9f6ddd41fffcea3ba61f6172e442ef89e6d92c01cc47c004771c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}