{
  "manageEntity": {
    "action": "Update",
    "entityId": "611862968",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa8d491177f34b2251287862f0d8e5126878d0288cfc7e578dec7eaaf10bbc6ee",
    "signature": "0x6a3330b678f5cca93e666735b384c9a159e0f707cbd586797481489e75aefb36577bde91f3063a563d244af3ee171df7af7e5c3f7b469b0eea869cd4caa29cad1b",
    "signer": "0x801cFd101977829e8D371a77d53FB980b2BA75f4",
    "userId": "611862968"
  }
}