{
  "manageEntity": {
    "action": "Repost",
    "entityId": "554512",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7143b117f410d8c67da1a4cd2315d294d9d8e6da89d7fed40eb16c59900dc8e6",
    "signature": "0x585ac9ec18882e0e8c03d92aac6493371e46061e39c8941a4acfe954243a7388356478e0ed70c7aff7ec920b11b83bdaf8ac0d9a83084c65c4f3554b5fa00f5d1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}