{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664870119",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xae670deff6e3ef6584d21d6cd2ec05fc8bf99d64575a05f823814c3bd8bfbe52",
    "signature": "0x6192309da07d8e330a7936af10f63114780412693444571d22a18a8986dd91655f853d5653f87c610e4601de0dba3b3fad5745f5d71129767e2a8a0d1ed646521b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}