{
  "manageEntity": {
    "action": "Update",
    "entityId": "127627767",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc6b0b280df07cec0f0d3c11bece8fa022cd0d5728186ec12fb097ddefc00db62",
    "signature": "0xcb5889e656ed1dd3093ed427415a1f89d8044a63de6bb610c0947e1375238c1d334617a1caacc61250bc8cb59294ed51e519688ca2d59134394c1e07fd8affc01b",
    "signer": "0x71fd4247cC62CF33c87fbE6c68262092C0B71802",
    "userId": "127627767"
  }
}