{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1058184128",
    "entityType": "Track",
    "nonce": "0x9f7c9967ee46b577ca725786c61f65319fce260a2e059839224303ab5eddff6f",
    "signature": "0x7d16da0d7f2bd6e6cdc4a0e47182292d9ad5e581a72ba013d8658d6bf771238633f42e6a547e8807699b32df1e00ee5ed5d0970239d907c0b718f59ea49fec101b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}