{
  "manageEntity": {
    "action": "Update",
    "entityId": "720251199",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierad4wynxj7mqqtxhokseikjqcyuib444gqm6lkdzimj7zkgrix3agq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":334502170},{\"type\":\"playlist\",\"playlist_id\":3542968},{\"type\":\"playlist\",\"playlist_id\":399979551},{\"type\":\"playlist\",\"playlist_id\":1408275875},{\"type\":\"playlist\",\"playlist_id\":954706252}]}}}",
    "nonce": "0xce092970485b2ea6baae8819fed9929f292615a5c576d1c12093882aad1cac3f",
    "signature": "0x52f1066a520779a9ab0e768172e5d79c5d324207ad90d800bbfbcd3bddd374122007f289ae6cc6213e3592e6c0a40d834aaa29483072abc9f30fe93e78747b9f1b",
    "signer": "0x3504A096a184AdFd1ed71f0281661a5d34a1f2A6",
    "userId": "720251199"
  }
}