{
  "manageEntity": {
    "action": "Update",
    "entityId": "436449681",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x62708c620fe5e978d056bc1c95b21cf8a239428a81f7523c51efe38a8fe30104",
    "signature": "0x8c03f18a328fb08641c5773e88061a544a49720ad10c0ac98fb2a5e33c843e044ece736cbe195e6b58741a62a92b3cbd1765d81ad74a5a2f13218060a1a7a3761c",
    "signer": "0x965e62d05702341Ca060C55e48DA5eA1D211b8c1",
    "userId": "436449681"
  }
}