{
  "manageEntity": {
    "action": "Repost",
    "entityId": "455637746",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x17da79ca2c9aacc015f5b48c72127f54a86dd638c6b998e62f06fc30aee4d24f",
    "signature": "0x70ed802c3aa48684eba37a1ae5a3b9649cf0938ded6c3cac3172bd157f266afc2b3bc49bd5ea7e433ff2b145df786fdc4a79b61300a24de32e0803a1c57e3df81c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}