{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545423",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf38cdeb419be6b5e10f9dcd5a4488acd5eeed9c42ec3c551256b8974365439fe",
    "signature": "0xdbfd7f0fc2749e122a7e0f43289878da08bcaf783d731f0a5406b31564840806225ab7cc2d64d165b0bf1bc3fe14e758ba43626ff30a54c3edafef9b668b7bf11b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}