{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1420886169",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc8ecfe1e944fb2247484ee7fafb043abc970c7f6013a97cd4e3f5104aca1209f",
    "signature": "0x69b51e83e4236e1079032eef7e0ef668c5f34a3e4ab624012a387e1e9382d0ba4c25f059348573bdea74ad2fc5f66a707c6f27694488b50fca55d9dab69a71201b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}