{
  "manageEntity": {
    "action": "Update",
    "entityId": "955716813",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb30baf28a632b87c7fef8444030f635f99a36eb14290870f7aa3ff31482c1565",
    "signature": "0x42bbfdd1c90c883a02c8b39070eadb29418a066440599a1a960f7329f8314b5c537a1910589dba2710b4838e1bf32e53024efb369864bb86942ecb18c4c45c111b",
    "signer": "0xd2Ce5Fc4bDc7FF0498dA0Cf074b1b037fB09b8dF",
    "userId": "955716813"
  }
}