{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643297253",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe937cfcea30d426117729fa77494cfdaa7cbc7702d85ffb252b3f65ef8780f61",
    "signature": "0x54f8c8dc965bb361124f5ccd68711823d3e4e91548f997935713925dc500fc2559ff72e0d3f94bd7a1463e2b05ec6132d955adecda79747e4f00eb2eea90be321b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}