{
  "manageEntity": {
    "action": "Repost",
    "entityId": "450313798",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x182ea7c261d3ec280c97bd8938dcdf4fb0362ec2c5e0e7c163ceeb6b4c1a1a90",
    "signature": "0xf9b4ad3b621e4bb6012163cc9f609b9a6b62d148e768af1feb099d3c976456a307f92fa2a29d45cbe4f6571ada734098ca1b97a8ada812abe35f00ba7eb28ca31c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}