{
  "manageEntity": {
    "action": "Repost",
    "entityId": "574199",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x73e1e26fd1f33b46d1b37ea116600fe47df23217f0346f96e9805c3335aef557",
    "signature": "0xd6cdaff4ba392339443a5c0c21db8b1a46863e211fbb0acb5f0d5c9bd5aeb6961ee356553dd3027a221b08e61b94f4df16a27ad824738ca26f72b25582a0eae81c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}