{
  "manageEntity": {
    "action": "Repost",
    "entityId": "506087576",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x64ea54527a0bfc4789714054ce63c4be0ceb4be4a86efd6e51920edaf2b38af0",
    "signature": "0x29d49989b545f3ce435e11f251ac5b82aa2a7211f2dae92c2f3dc5b176a9dcac0b7bbd668c6c2ad536ff734fdee40cfafd2424a8b20408669183c1fe33b5529b1b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}