{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544578",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0e2f50b3271dca43e55e546cd22a2eca717bd0888f1bf5cefc96d3e1142c5956",
    "signature": "0x8a991a83504f28940836ab7b8a48671798558e7ab47ff446f3a491c50fcbf7234d302a28414f647596a83733588b074bb1384f1f7b492c70dc1664664544204c1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}