{
  "manageEntity": {
    "action": "Update",
    "entityId": "364723586",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera2s53ggyutzxiswoeatvgteh6l3ujd3qqjrgsmij3nziixruod5ba\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":834492002},{\"type\":\"playlist\",\"playlist_id\":759050701},{\"type\":\"playlist\",\"playlist_id\":156592426}]}}}",
    "nonce": "0xc787413c27f3a1623468ddd24d7698c198e0080f81c5abe555903d3ca213df10",
    "signature": "0x056ae78825b5342e49a9f2aa5812b305b232da5a3e6f391d4ce654cc28912e5c5a449896195bd60ba0aff7eeecaf34b470178bc8d0fc2a9064c1a2422a7ce7a61b",
    "signer": "0x5430C2D9878e83eC477A1335AeB7Dd77c154BaFd",
    "userId": "364723586"
  }
}