{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640045838",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa375b94ab8167f86f4ac422f3060b52fc62d4fc525afbeee91afcd9bac2b75d5",
    "signature": "0xa18adfde96f8c4d7c9daff52aee54ddc6047d9c03bdcf3a16c5ba2dc2c082920416c5edafe30bad036c4b23c35ef6563bca007c252870624ecfc3c24cbfb80fa1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}