{
  "manageEntity": {
    "action": "Repost",
    "entityId": "407187",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x949baf72d494f36e3ef93076e2b8f80383141d65daf2cd61f0a1b9beeda81fb1",
    "signature": "0x0bca95c6888aff67bcc36dc31e8c4cf8c8a6905d8e44c8d1902a37432d11dfc56b099eb2d0b12121c74174a6816c9d5c9accd0606d5059ea7b1ce4444b2f17441c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}