{
  "manageEntity": {
    "action": "Repost",
    "entityId": "615966379",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x440b993c09a93c7cd75308da7416c88823cece551d56560bc7b348879cc87097",
    "signature": "0x6f8d08a414269deb3ff8aa56f12e69c10dca2c7fca06d1bdbd9af21c8dc1734922db41fa4160d3bfd9a17c577442c5dbc431686450fb9956c2da71b5bff03e551b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}