{
  "manageEntity": {
    "action": "Repost",
    "entityId": "300312",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1553e2eb7ce0f50ef488becfe4f5746d95d242799e8f6d3db5b40254c412395d",
    "signature": "0x88789d52521ef6bdb59edecd1a057709caccba72a9f55c2e260354bbc7898ca24c3a1917fc159d6657513b3d36b079e300eb6029080f42f322d7ab2720ee82d81c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}