{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121123334",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x96819d8dd683a06c3db9ef903ac10d8b92562fa89bbc66c0183da4935531f9e5",
    "signature": "0x2f25943457c9cae1a631e05e3418ef0f44a7747a05e945fe42b096b8e39447e142fb93ad1eb9e438bd63041012074a2824dc615ba82b29811866d71e4185722d1b",
    "signer": "0x37C656432bDD87630C13F60036e9857B5ee36154",
    "userId": "288167767"
  }
}