{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1303455717",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0bb1e499d4509e77fb97ddc258cfe1bd4ac947b01e88b489506926449567f1c9",
    "signature": "0x90cf8a9523ce29ef2cbed055e02c0500d5bb1dc7f9351a969e0c9caf1ee7fa961f536dd8f91a88680146c663aa006af473cd8ef2064a6653b8e9c5c3afa9dbb11c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}