{
  "manageEntity": {
    "action": "Update",
    "entityId": "934433265",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa1662835ef1608308927b90476ccd7fda05dc8cc56814dfe1e9d22b25e98d155",
    "signature": "0xe851339d9e3b14a31289f6ac653612969676b4565f62b02ad9550289d65dc3b86539c54a473d4ad231217503b9ba2a473015d2f0a0ed8fdbbd42fa7752d6d9321b",
    "signer": "0x3c10dc6a6eF8931cDDeDCe8e2d0a65733B503596",
    "userId": "934433265"
  }
}