{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421596682",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2cdac2725aadb328ff8696e313852fc4b7ea9e44f7cb498d71a79751d5dff5da",
    "signature": "0x81dce405b3ec11d82f479e39c0651978ce8d64054612bebf98b03fecbd59d0a80be100da9893bc7a250c8707c6d039c9f134959122b20ef91233d01cede503521c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}