{
  "manageEntity": {
    "action": "Update",
    "entityId": "925764851",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x73a438aa00dcb377ccfbf2518febcd485a1e27d24e1e88778cca8df510ddfaca",
    "signature": "0x1ae7b558c436bdc78b06ca15fc74adf03f4dccbf31092d3215e32a35a9d0360d6023f0cbef7d216db27e5ce5d0fe9c65634bfb8434b1d0f7c6bded94fe713ff91b",
    "signer": "0xc744b00D2d79D452D6C0FB60b92ed9e78AD4f1b8",
    "userId": "925764851"
  }
}