{
  "manageEntity": {
    "action": "Repost",
    "entityId": "645627",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe6d2987b250d3f1c854b2e2aac16f41178bc4f0eb7f753b3a37ade32d30d16ba",
    "signature": "0x9e355864b7b17306e08325e7ebfd4b1cbd657d2572b2d85697bbe7362174b81c10ebd4a458674886ebd0277d379e4e193df82f5add9f9c5aa9012e3abfda66591c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}