{
  "manageEntity": {
    "action": "Repost",
    "entityId": "516394289",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xffbab76f51defbddcc6843e8a5ad2f079c318e645c660a0504a10bc1c078f559",
    "signature": "0xfe65726638f7a355f856edcc9ce1c6e94941882a7cdc108498346dfb981268364159aa0d09c04256fe610caf33f3617013245ca686120b0ce6aa6979d672c3e01b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}