{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545424",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x76f52ce184c92dc80e5acb7e0ce87fe090fd5ad0b625ff706ddfa1c197047ee1",
    "signature": "0x062fdae96a0e6e900befd870e4a275ed409d48c4d0fb8d03c5559c5ee5397a5216a31995a5f368c57955ec65f1b91af38054ef4c5ee6468adf1f8261de99203d1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}