{
  "manageEntity": {
    "action": "Repost",
    "entityId": "990637",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x19342d5d863788c0c4d450eaa4672216e68feb2780d10640d6a1d678cfb0c043",
    "signature": "0x57a870cfff92ff136f8070f0314e1bdb74bae28ccc3e36890b144acdffeb268650b7d13d59621d3086c36d4fddd51d4b563e9e127e61245c111a66d7057ac76a1c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}