{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "715962330",
    "entityType": "Track",
    "nonce": "0xf276eafe0fb67deca619ba003133179f1d4562819079b4257412cc9e287e7498",
    "signature": "0xd9130427188c4c83f501a08587e40288439f2811960a960d981ed8c37df4bd4d302ffa2135b04b0c905002309396eb507701c308885189afd1d13750fc11d2c41c",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}