{
  "manageEntity": {
    "action": "Repost",
    "entityId": "439709110",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x415073cb03159a2ec97357613c7b627d43c74d571b88c70bf52a9a32b658747b",
    "signature": "0xffc3ca66c11b619fc389c08980509907a5a48cc1fe902fde912b6a2b1f31766573e0d8c7772a7b6249e7b63d1db181b3e82ebaa54044d1427b2e86e1cbc861ef1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}