{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1408614663",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x669acd6aa35224b1e80d5ea6b08a9f6961429d0c4d7f6b21e240fa4371241d3a",
    "signature": "0xa9bc62c09dbc80e3504fd698286aacf646d98af515978f395dbf9ffe1c9e67347b653eaa1f152b82f35a6468303273bc5cf2b6f12a6e56e6cbc751ff63004a401b",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}