{
  "manageEntity": {
    "action": "Repost",
    "entityId": "451129415",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1d062849b3430d8ed566d8ceb405a067d5f7d0436adf5fc6c7d3d9c68444dfc8",
    "signature": "0x323b3ee024bbd178446b867360203b52180fb503eed8531af0658df3ec196638332d92f7c6ecaa224432dc5925d2062d126abe9e2a4bd37d87d220d83d0477651b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}