{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "889826197",
    "entityType": "Track",
    "nonce": "0xd58cbde9d0bc8a9112d45a8cb09625951b9172efb2ea0480e23df01f82f58ed2",
    "signature": "0xbb2b06d4d7faa836e276c221b20685465956cbe2503b4eadc57d16d60fa60984558e880862c6f756b9c8a2345310c8870749f518f052dbe810681ac4952361171c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}