{
  "manageEntity": {
    "action": "Repost",
    "entityId": "321623213",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x76b1ac199dfec64b9d9cfb3d5e43e835bd001ac90d4089e88de5246857e6a3b9",
    "signature": "0x1df0da251a41c6cdfb315349c5e465357dfc3323f70d02b4fd9a07beafa40bfc61278eb29ca16d199c58b52549c018ef5655991bae00ff3b0a60994b1c214a581b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}