{
  "manageEntity": {
    "action": "Repost",
    "entityId": "337954325",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3708cf4dd4c358d048ea388806d8b3f4096d6e4a3609bb45e7738efc043b611d",
    "signature": "0xbeea286194a9943802c603d2348e0261bfc2bf48810509e0762f6417dad9a7c37eb06395c2b6ec5af13d06509796f8b0dce94d931df524c7579258c5af7765211c",
    "signer": "0x26Feee0AaDc0e2d8f7aBEd5cdb0bCD7D325F618d",
    "userId": "354535"
  }
}