{
  "manageEntity": {
    "action": "Delete",
    "entityId": "252108573",
    "entityType": "Track",
    "nonce": "0x728e38be5fb9c3ade7ccc6b94923e005852e9a40958aa1671c3d0d3a1baf761c",
    "signature": "0xdf9e2cd992d0a157c0c66f349a572a5be4453be99d3e4f5a4bb1081dd5a7f4823c8f3184513fc110a4e09af2f782e67f066f11de7c26e8b82e3135f74e44abce1b",
    "signer": "0x1Dd8e503eA52eE0cE5360d0F01B587662d27d935",
    "userId": "366246970"
  }
}