{
  "manageEntity": {
    "action": "Repost",
    "entityId": "507896709",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0aca8fa5812621ec1139f19d6992b8de3d3b560d8facf7fa26977ee892de2e1b",
    "signature": "0x6221be59d0b1f31435e512c8ba353b91225bc58d5f23e1b76e0c554b8fff0d6402536d7f356c65050fd2f11269930401888ffef7fb2526e0c4a2d66ca5e4d6a21c",
    "signer": "0x79770FD07793ad1DfB304d64f0605418795fc311",
    "userId": "556468587"
  }
}