{
  "manageEntity": {
    "action": "Update",
    "entityId": "294015710",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6364d67e84282b492ef4b3eec532ef367c830eb78ce7abee424945329bc6f806",
    "signature": "0xe8c99993ccacffec60dc488afc8b376869b64b8bc8435162f9645c7052d06240037293841d8f19dcb74ccb91334a4d00b99d32730c43ccf8887341f1ff67dec51b",
    "signer": "0xad1Beea85F79A21FE851829C18D232962917AD52",
    "userId": "294015710"
  }
}