{
  "manageEntity": {
    "action": "Repost",
    "entityId": "407664357",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0165ed2cfaea9e3bb7631484eb3edb6ebda59ecf00394206ad4eb5b5dcc2a3da",
    "signature": "0xb9154b211d74ffe1808b594a016f8bb1ffbe1c9fc74dc18ea400c545a8280f4e6cd7961f600bfce59c3be62543c4dddb142e6057cfa04ad0a26809558813eaa21c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}