{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1403219369",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x51fad2d4d2c3646170b695fc54fa2c4960487fe9c51170df5e0c5dd6dba6dce3",
    "signature": "0x04fec2e21de5920452e3f84e31229c2df001c311ae743c4dd94ba8072f5ce05e51b2d34b79105dc02f4635129bf0e72cb32d48a107c6f61a7d2a9186e01eda7e1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}