{
  "manageEntity": {
    "action": "Update",
    "entityId": "682142554",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x47cc95b11cbc9569bd5cd2557082dccd5c9ddcab222780db9a545c30ec35cb14",
    "signature": "0xf862a7c1a596cf534da201296027325d1ca39ad250b4ca768f386f86eb5adf7e53a4caf41852bf8b22f86fd93fa1f0f37dd363e5db85f0f46859c62d603b08531b",
    "signer": "0xACc2fF4480d43bB7560718464314ec17310Cb8C1",
    "userId": "682142554"
  }
}