{
  "manageEntity": {
    "action": "Repost",
    "entityId": "819732332",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5ccc837904377d459f1c915ff979323f829f140805633204aa88464f026ce049",
    "signature": "0xb4131284353088b6f821b6dcbb51389583e05c2f8f9cf8eac3ed66c2bc0cce785f3afbec82d7cb30c78dbd19c3a0126a45360d90ed80e45892488eecb50334321c",
    "signer": "0x669C207e15A757a751fd8f623DFf054C6D3D0b05",
    "userId": "121458"
  }
}