{
  "manageEntity": {
    "action": "Update",
    "entityId": "259260651",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x15c1d617945991b8d9b645a945aa2fcbc37f5bf215d1df79ca895d7510bfc980",
    "signature": "0x4ff52bda6d9e9bd0eca68499f4cef639f5280cc7eea8425773ca3c9884e2667e12ea713ea50b2e551e260b9d169dbdb25e68b06e34b3611a7173ce670abbedc41b",
    "signer": "0xc2d9E3a4ce93a3bA3F13b18C0b26ae1D9325BD22",
    "userId": "259260651"
  }
}