{
  "manageEntity": {
    "action": "Update",
    "entityId": "360550430",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x62497aaf78fab3a0a2638629ba6575e9a81090f1bff72fb876e291808b2dc774",
    "signature": "0x3bead27cc3ceacd84e7132a3501d48a0fcae1c55c2fb97daba827aa4aed95c82192ccc212fd851d601af77f7b0cab7f6c7d56459b7426101de57cec7b2913d831c",
    "signer": "0xF3AEBB1Ef24B0355F4F97809926EFd25357Abce6",
    "userId": "360550430"
  }
}