{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1209649454",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf9e722ebb6db7caaeb979674eff1c28fca70b4212fb5aa33148bfa4e40cfc224",
    "signature": "0x91b5503631b54a29a493b66c7b417e3eb93d31c1c65362d845a0f4a225954bde36673832961cc4a689b1a553ae724a57bc1a2817b4aad8b14044377912de74a21c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}