{
  "manageEntity": {
    "action": "Repost",
    "entityId": "388143100",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4c518aaa10c16941790cae08c6af067aa72eb98354df9bf14246d3b9c3c85601",
    "signature": "0x4c2ea26cd6ba643606bc149d2c4e9423fb573223a43a5ec6714446e751fed2ca1098b2d5cdefe808e04527cf7fb1dba4589f6a8b5ed08553db3443191fb6a46b1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}