{
  "manageEntity": {
    "action": "Repost",
    "entityId": "390050971",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8e57fcd1093ef1d7b8d91ef3215b78228a97c1dbef24d49adae8827c04e29c97",
    "signature": "0x0da6b6ab8fd9308fe43ebebcb9d54ede22e812bdb296c46c174daa1bb923648272e247ba704f0364cc51e8c8ae9aa3ff4b9acbb12b46750c4c18e974de9262291c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}