{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1732206059",
    "entityType": "Track",
    "nonce": "0x381c222984240d1aa70ead04ed97e74c70120cfdb6f53ce918067e443b3c8c77",
    "signature": "0xbd59cd205a6f764d865110b2f2197dbb49ddc938c2102597c55f921a3814db2f20762a00810e22dd3ad43e5207095bbfaaf3a5969351e7a8dba0ffd946cf2d411b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}