{
  "manageEntity": {
    "action": "Repost",
    "entityId": "528304",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xebceb8b81209164544fbb30763b145f37fa571a973c51d613c92ef498c3aa501",
    "signature": "0x524d53d248d94fa062b95e23a6c94835c00b3b140d5f4285cb109f092cae0c3a3da2baea04f85ac374bd70bbb8f423a5964635cd5806a0d7473ac222eb0b2e7a1b",
    "signer": "0x19EDB4c1a8740c323f6e57B80F3422C01875289e",
    "userId": "390804"
  }
}