{
  "manageEntity": {
    "action": "Update",
    "entityId": "353032",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierakfeeeqbtx7aezopo5hf4z53roagpj3xvmpwxrf3cw4smdc5z5geq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":85077},{\"type\":\"playlist\",\"playlist_id\":84621}]}}}",
    "nonce": "0x4f6bfe1d270fabca93b273e88638526e775b886f403075b7da85f230830929c3",
    "signature": "0xdbb5d080c71481e3f6ef513cf8b5978d9ba76c0ef2cfdd36012b4902dfd076834e662c173f9452895093b545e86cd6c66f5334f7af759dca86cb199e1bc2c3531b",
    "signer": "0x5b39635D4af7378EB9F098eAB55C0f9f37e35B3a",
    "userId": "353032"
  }
}