{
  "manageEntity": {
    "action": "Repost",
    "entityId": "620726300",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3bd2f55a57e99b0a73888697dcdfa2ec7cd30f744fc2c2f29501de8a0ce4e935",
    "signature": "0x3374b242b4fc1e7b3a4e5e28d560ce903f9ae7e4cacdb6df858b63c74340d1ae057627952d069dbde3e3d357bbcb42f60073c662aa07bea005280c4e973847851c",
    "signer": "0x19EDB4c1a8740c323f6e57B80F3422C01875289e",
    "userId": "390804"
  }
}