{
  "manageEntity": {
    "action": "Repost",
    "entityId": "308109768",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3be128fb1e12c5d73297df23b8b74fac5d7f3f5b30b0e57c80b154a1f373b889",
    "signature": "0x20029ca3748a702a3c3df775d2ee38742931b15d4d12f586728c5b453332ca4d2c7242986e949d4a985ed850722cfbbc5d10a23a2b76cb98f7a00e6a120539a51c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}