{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603035",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa98e4045e772d16e4fd03743397de6b637f2c8ba26af30a8d0bc89ed7a8f59d3",
    "signature": "0xf9d2da687219c5909a0425d08b339613493cabb1903ad60072aa56655c15334b5185e8ac76a3d9e413ba743b57d3576cec41be53ec903c7118caafa16706e06a1b",
    "signer": "0x2B28feb1CA15953a5a910C4E741698a24e8b3FE9",
    "userId": "887020893"
  }
}