{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "706554969",
    "entityType": "Track",
    "nonce": "0xcb2929e7248c2a7df7ad7bf62ceb63123db295e7c53808043763c56c2bd5a9c0",
    "signature": "0xc8fb3960738002aa3a727133e10c32d51c6357dc81fa39ebc8c5ca688bc4edbf0946318699b48477518c2924de34d3fda252b2579fadd760890eeae8dd3ad1fa1c",
    "signer": "0xFae0E0dFF92Ca3d96db1E59843a7b74d134e205a",
    "userId": "188394366"
  }
}