{
  "manageEntity": {
    "action": "Repost",
    "entityId": "437583858",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1a57b1e4ec80d415ca5fd853c82a843dee67c9ceaf2316dc1be7fe1c0c00eb5f",
    "signature": "0x981b297db3749bf4ff0f9319d40948de1e97585ae7fbf94c06a15db99e97143c7ce7ee6f6ba35ab30f7b04a832141c28ef72ef752e75ddf328a78d9e7a3e55171b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}