{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1088818358",
    "entityType": "Track",
    "nonce": "0xc202edcf1051ff32745c73f7d54ccbc6ea28977655e4784cdd09e12e4631c04b",
    "signature": "0x95cdd08b0d60272a943778179228aff0f1898f6b149498f13bd06094c836d32e79ff442fa748b46134bb75a69b2c2636296183cdcfa686eb29d3131e4262ab021b",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}