{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521319587",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1c1f31728568a7556a95a08514e2c90a1121a12cd75723781889431279d0b927",
    "signature": "0x6e08f40a24da4df5293e52c88fc713e6055aabf82a3736d836fff2b89ba534a8542ca4845409016d5a879ea89411145e38b1ef7dbe70afdcd6f213571053bedf1b",
    "signer": "0x26Feee0AaDc0e2d8f7aBEd5cdb0bCD7D325F618d",
    "userId": "354535"
  }
}