{
  "manageEntity": {
    "action": "Update",
    "entityId": "846363730",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcc5470fabfaed8acea22ca3d0b829fae6fd6dc1723884650c21d89f18eb062aa",
    "signature": "0x4b57d474f9e65b53fae6cdc1ac67b752c6e58be09290886a63d9efd3b53ebba236fdf030a098240f048c15cebaa0248727003d289b50c9d7b6808171666917b31c",
    "signer": "0x2F6Fd48958D32D1A4c1606bAF9534E2Cf9d824f3",
    "userId": "846363730"
  }
}