{
  "manageEntity": {
    "action": "Repost",
    "entityId": "454645691",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdabe678867f50a365817b2d8375cc0474736c9904ddf51a1f6ce0fadbc6b141f",
    "signature": "0x64fea9b71eaa0e5300119ba61c0966885d863e8bb48e17950f1a092dc57589b333143b672ed4e0a8b79e181b9641394bff142c5a8ff63cffce7839f81be666ce1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}